Instrument for diagonal observation by microscope



FIG. 1 is a front elevational view of an instrument for diagonalobservation by microscope showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a sectional view taken along line VII--VII in FIG. 1;

FIG. 8 is a perspective view which illustrates the instrument mounted inassociation with a microscope, the latter being shown by broken linesfor illustrative purposes only and forming no part of the claimeddesign; and

FIG. 9 is a right side elevational view similar to FIG. 6 illustrating adifferent operational state.

The ornamental design of an instrument for diagonal observation bymicroscope, as shown and described.